Estimate the cost of operating labor (C OL ), the cost of utilities (C UT ), and

Question:

Estimate the cost of operating labor (COL), the cost of utilities (CUT), and the cost of manufacturing (COMd) for the drying oil process given in Project B.4 of Appendix B. You must do Problem 7.24 in order to estimate COMd.


Problem 7.24

Determine the bare module, total module, and grassroots cost of the following:

Drying oil plant described in Appendix B, Project B.4B.4 DRYING OIL PRODUCTION, UNIT 500 Drying oils are used as additives to paints and varnishes to aid in the

B.4.1 Process Description The process flow diagram is shown in Figure B.4.1. ACO is fed from a holding tank


Figure B.4.1V-501 P-501A/B H-501 R-501 E-501 V-502 A/B T-501 Feed Drying Fired Oil Recycle Feed Mixing Pump Vessel

Stream summary tables, utility summary tables, and major equipment specifications are shown in Tables

Stream Number Temperature (C) Pressure (kPa) Vapor mole fraction Flowrate (kg/h) 1628.7 Flowrate (kmol/h)

Stream Number Temperature (C) Pressure (kPa) Vapor mole fraction Flowrate (kg/h) Flowrate (kmol/h)

Temperature (C) Pressure (kPa) Vapor mole fraction Flowrate (kg/h) Flowrate (kmol/h) Hexadecanoic acid (ACO)

Flowrate (kg/h) 9074.4 Flowrate (kmol/h) 35.40 Component flowrates (kmol/h) Acetic acid 0.00 1-Tetradecene

E-501 Table B.4.2 Utility Summary Table for Unit 500 2664 kg/h E-502 bfwlps Dowtherm A 126,540 kg/h E-503 CW

Table B.4.3 Major Equipment Summary for Unit 500 Fired Heater H-501 Total heat duty required = 13,219 MJ/h =

Q =5569 MJ/h E-503 A = 2.95 m 1-2 exchanger, floating head, stainless steel Process stream in shell Q = 1029

Centrifugal/electric drive Carbon steel Power 0.9 kW (actual) 80% efficient NPSHR at design flow = 14 ft of

Towers T-501 Stainless steel 56 sieve trays plus reboiler and condenser 25% efficient trays Total condenser

L/D = 3 3 V=2.3 m V-502 Vertical Stainless steel L/D=5 3 V=3 m L/D = 3 3 V=2.3 m V-504 Horizontal Carbon

B.4.2 Reaction Kinetics The reactions and reaction kinetics are adapted from Smith [1] and are as follows:

k1 C15 H31 COOH (1) CH3COOH (9) + C4 H28 (1) ACO aceticacid DO (B.4.1) k 2C14 H28 (1) C28H56 (s) DO gum where

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Analysis Synthesis And Design Of Chemical Processes

ISBN: 9780134177403

5th Edition

Authors: Richard Turton, Joseph Shaeiwitz, Debangsu Bhattacharyya, Wallace Whiting

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